Ac-pro trip unit pdf

Choose the options that fit your breaker and continue until you arrive at a kit number. Protective relays low voltage solid state retrofit kits. This certification covers the features, components, and installation of higher seer ac pro units, and provides a closer look at the capabilities of comfort sync. Ftcpws 30l prote on unit english version without automanual reset bu on. Ge akr9d75 3200 amp air breaker eo do ac pro trip unit. The str58u is obsolete and is known to trip under low load type scenarios. Nbpro ac trip unit micro controlled base national breaker services. The acproii trip unit is available with an optional voltage. Nbpro direct replacement the nbpro trip unit is designed to use existing. Mvt plus to ac pro trip unit settings conversion testguy. After you make each selection, additional boxes will appear with more options. That is misleading, as those curves arent dependant on the quicktript product, but on the cb that is in use.

The with ground fault type set to return, see test harness a or f makes the connections section 3. Arc flash reduction methods on secondary of subunit. The trip unit will powerup with less than 10% of the rated ct tap current through a single ct 20% for the 12 amp version. The etc12 trip device has many user friendly features that address the concern of arc flash and other safety related issues. Ftcpws 3040 notrip on fatal error warn only so ware facility. Merlin gerinsquare d str58u etc12 trip units, satin. Start using the kit ordering guide kog by selecting the type of current that your breaker uses. Acpromptm b291mp secondary injection test set instruction. Retrofit kit type acpro kits printed in red acpro accessories options direct replacemnt trip units insulated case replacement trip units zerohertz kits printed in blue communications.

Retrofitting all low voltage circuit breakers using ac pro trip units ac pro i and ac pro ii see pdf ac pro data sheets. The vdm provides breaker 3phase voltage used for power. Etc12 trip kits and retrofit systems feature tested and patented, fullfunction trip units designed to update both obsolete and current model trip units for virtually every 480v600v power circuit breaker. It can be racked to the disconnected position with the cubicle door closed or open. K4000 ite k4000 circuit breaker 4000 amp urc ac pro. Acproii instruction manual 2 utility relay company. Awh09qbd3dnb8ki, awh9qbd3dna5ko, awh12qcd3dnb8ki, awc12qcd3dna5ko.

Acpro trip unit modbus communications authorstream presentation. Do you need a repair or replacement of a square dmerlin gerinschneider type str58u protection unit. Rs485 communications even when the breaker is open. The test set features a selectable frequency for t. We provide professional services for the following needs.

Electrical engineers use powertools to perform harmonic analysis, transient stability analysis, short circuit analysis, and to determine demand load, voltage drop, arcflash hazard analysis and protective device coordination. Used, surplus, refurbished equipment for sale, auctioned. General electric ge sgla36at0600 spectra rms circuit. This infor mation includes the type of trip and the indi vidual phase. My company does ac pro trip unit retrofits quite often and i perform the. The trip unit retains the data from the most recent trip in non volatile memory.

With its reduced energy letthrough setting relt, the system protects at hrc1 or 2 for available fault currents as high as 100ka. This can reduce the arc flash hazard by reducing the fault interruption time. Class 1 reconditioning equipment life extension and. The new trip units will operate with the existing oem 1 amp or 12 amp cts and magnetically latched. Page 1 the acpro is a state of the art, microcontroller based trip unit for use on three phase, 600 volt class, ac circuit breakers. In addition to your solidstate needs, we also offer motor circuit protectors and nonautomatic switch only trip unit devices. The certified cashiers check must be included with the proposal at the time of the opening. Quick trip arc flash reduction ready electrically isolated usb connector.

Each purchase of a qualifying ac pro minisplit condenser counts as one entry into the ac pro credit back giveaway. Acpro data sheet, acpro ii data sheet molded and insulatedcase circuit breakers repairs. Trip relay kit type acpro acpro acpro acpro zerohertz zerohertz zerohertz base kit number. The trip unit retains the data from the most recent trip in nonvolatile memory. The trip unit provides overcurrent, as well as short.

Test the str38s trip unit for masterpact breaker of merlin gerin. The entelliguard tu trip unit offers optimum circuit protection and system reliability simultaneously, with little or no com promise to either of these critical functions. For all your outdated and nonreliable trip units and programmers, we offer direct replacement acpro retrofit kits and programmer devices by utility relay. Standard tests for medium voltage and high voltage breakers with live and dead tank design static contact resistance test microohm measurement. The acpro is a state of the art, micro controller based trip unit for use on three phase, 600 volt class, ac circuit breakers. Presentations ppt, key, pdf logging in or signing up.

Thermal magnetic and electronic trip units for abb circuit breakers. I have installed and tested both systems, and the acpro trip unit and arc flash reduction switch designs are. My question is if we would be able to submit a bid using our etc12 solid state trip device. Str38s pdf instantaneous str 18 m protection type distribution. New ac pro retrofit kit for all 600 volt power circuit breakers. Any attempt to withdraw the unit whilst in service will automatically trip the breaker, either by the racking position safety mechanism or by the insertion of the racking handle. Allischalmers and ge breakers available per list below. The acpro is a digital trip unit that uses a microcontroller and a 16character liquid crystal display lcd. Total of 34 items listed allischalmers gear pictures6207, 6212 and 6224 24 each availablelaf600 breakersof which one of these is on a laf800 frame all of laf600 breakers have laf600 breakers have the static trip iii trip unit. Installation instructions for series g nframe circuit.

General electric akr7d50 low voltage power circuit breaker ct 1600 800 utility relay ac pro trip unit lsig manually operated mo draw out do. Nbpro ac trip unit micro controlled base national breaker services, l. Multiple trip units can be daisychained together using a single shielded twisted pair wire. In extreme cases, older trip units may no longer be capable of tripping circuit breakers at all during overload or fault conditions. Get your ac pro 20 seer system certification with our ac pro academy on demand training. Data sheet acprovst urc utility relay company direct replacement trip unit microcontroller based compatibility the acprovst is designed to directly replace obsolete versatrip trip units in older style ge powerbreaker insulated case circuit breakers. Yes, provided the new trip units meet or exceed the. The acpro is a digital trip unit that uses a motorola 8bit microcontroller and a 16character liquid crystal display lcd. Each breaker is in a 4200amp frame with a acpro ac trip unit with long delay setting, long delay time, short delay setting, and short delay time.

Ischaraccer lcd the large backlit display provides con tinuous aphase current metering when the trip unit is in service. The acpro is a digital trip unit that uses a motorola 8bit microcontroller and a 16character. K4000iteabb k4000 air framed power circuit breakermanually operateddrawout3 pole4000 amp frame600 volturc ac pro solid state trip unit each used, outofproduction, obsolete iteabb k4000 circuit breaker is available asis or class a reconditioned. But did you know that in addition to being the largest supplier that we also have the capability to fully customize our products to your specifications.

Acpro trip unit instruction manual 22006 and later. American national standard for trip devices for ac and general. The quick trip website shows a total clearing time of 50ms in their brochure. All products include 2 year warranty, same day shipping. Acpro direct replacement the acpro trip unit is designed to use existing 12 or 1 amp cts and operate the magnetically latched oem actuators used with many older style electronic trip units. Proven processes class 1 reconditioning was developed and refined from.

Models are available for use on 60 hz, 50 hz, 40 hz, and 25 hz systems. Reward yourself for installing qualifying ac pro mini splits by participating in the 2019 credit back giveaway. Services national circuit breakernational circuit breaker. The acpro derives both signal and power from the breaker phase cts. Solid state trip unit conversion kits for 480600 volt ac power circuit breakers. Trip unit identification series trip static trip trip unit retrofitting example, usr relay to ac pro relay trip unit testing trip unit retrofitting mechanical lockout and isolation session 8. Please click on the email for quote button to receive your pricing. Introduction the acpro is a state of the art, microcontroller based trip unit for use on three phase, 600 volt class, ac circuit breakers.

If at any time you come to an option that does not fit your breaker please call. Working with the trip characteristic curves of abb. The test set features a selectable frequency for testing the 60hz, 50hz, 40hz and 25hz versions of the nbpro. You already know that emsco is the leading supplier of used, reconditioned and surplus industrial electrical equipment.

Make offer general electric aku2a251 600a w acpro trip mo do air lv breaker ge a100b. Power distribution power generation power transmission. Acpro retrofit kit for westinghouse breaker with amptector relay. Reusing the existing cts and actuator can greatly reduce material costs and cut installation time to a fraction of that required for a complete retrofit. View and download ac pro aseries installation manual online. Prior to placing any circuit breaker in operation, each trip unit pro.